<template>
  <el-container class="home-container">
    <el-header>
      <div>
        <img src="../assets/heima.png" alt="" />
        <span>后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 左侧菜单 -->
    <el-container>
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <el-menu background-color="#333744" text-color="#fff" active-text-color="#409eff" unique-opened router :collapse="isCollapse" :collapse-transition="false" :default-active="this.$route.path">
          <!-- 一级菜单 -->
          <el-submenu v-for="menu in menus" :index="menu.id + ''" :key="menu.id">
            <template slot="title">
              <i :class="icons[menu.id]"></i>
              <span>{{ menu.authName }}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item v-for="i in menu.children" :index="'/home/' + i.path" :key="i.id">
              <i class="el-icon-menu"></i>
              <span>{{ i.authName }}</span>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main><router-view></router-view></el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data() {
    return {
      menus: [],
      icons: {
        125: 'iconfont icon-users',
        103: 'iconfont icon-tijikongjian',
        101: 'iconfont icon-shangpin',
        102: 'iconfont icon-danju',
        145: 'iconfont icon-baobiao'
      },
      isCollapse: false
    }
  },
  created() {
    this.getMenuList()
    this.activePath = sessionStorage.getItem('activePath')
  },
  methods: {
    logout() {
      sessionStorage.clear()
      this.$router.push('/login')
    },
    async getMenuList() {
      const { data: res } = await this.$http.get('/menus')
      if (res.meta.status != 200) return
      this.menus = res.data
    },
    toggleCollapse() {
      this.isCollapse = !this.isCollapse
    }
  }
}
</script>

<style lang="less" scoped>
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
  .el-menu {
    border-right: 0;
  }
}

.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}

.el-main {
  background-color: #eaedf1;
}

.home-container {
  height: 100%;
}

.iconfont {
  padding: 10px;
}
</style>
